Problems with itunes videos, is it from Quicktime or Spybot?

[wolfman]

My itunes videos are choppy, is there a way to troubleshoot Quicktime? Have heard Spybot may be an issue? Other videos like when I watch you tube work. The videos used to play fine, system is adeq., but this has become a very frustrating problem.

[ale52]

Do you have the latest version of iTunes / when did it start happening / Spybot doesn't run in the background, so did it remove some element of iTunes in a scan / reinstalled iTunes / checked for the latest video drivers?

Alan <>< 

[wolfman]

It started after I had a new CD rom put in, and there were a few issues. I reinstalled itunes and it didn't change. I went to quicktimes site to check on things. I have the latest edition, comes free with itunes. And when I played a disney trailor from their site, it was fine. Something in itunes is only updating the screen every 2-5 seconds?